]>
git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/LPdir_win.c
2 * Copyright (c) 2004, Richard Levitte <richard@levitte.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * We're most likely overcautious here, but let's reserve for broken WinCE
34 * headers and explicitly opt for UNICODE call. Keep in mind that our WinCE
35 * builds are compiled with -DUNICODE [as well as -D_UNICODE].
37 #if defined(LP_SYS_WINCE) && !defined(FindFirstFile)
38 # define FindFirstFile FindFirstFileW
40 #if defined(LP_SYS_WINCE) && !defined(FindNextFile)
41 # define FindNextFile FindNextFileW
48 struct LP_dir_context_st
{
51 char entry_name
[NAME_MAX
+ 1];
54 const char *LP_find_file(LP_DIR_CTX
**ctx
, const char *directory
)
56 if (ctx
== NULL
|| directory
== NULL
) {
63 const char *extdir
= directory
;
64 char *extdirbuf
= NULL
;
65 size_t dirlen
= strlen(directory
);
72 *ctx
= (LP_DIR_CTX
*)malloc(sizeof(LP_DIR_CTX
));
77 memset(*ctx
, '\0', sizeof(LP_DIR_CTX
));
79 if (directory
[dirlen
- 1] != '*') {
80 extdirbuf
= (char *)malloc(dirlen
+ 3);
81 if (extdirbuf
== NULL
) {
87 if (directory
[dirlen
- 1] != '/' && directory
[dirlen
- 1] != '\\')
88 extdir
= strcat(strcpy(extdirbuf
, directory
), "/*");
90 extdir
= strcat(strcpy(extdirbuf
, directory
), "*");
93 if (sizeof(TCHAR
) != sizeof(char)) {
95 /* len_0 denotes string length *with* trailing 0 */
96 size_t index
= 0, len_0
= strlen(extdir
) + 1;
101 * The reasoning is that absolutely worst case, each byte in
102 * extdir will take up one TCHAR each, so the maximum size in
103 * bytes that we can tolerate is MAX_PATH TCHARs... not counting
106 if ((len_0
- 1) > MAX_PATH
* sizeof(TCHAR
)) {
112 amount
= len_0
* sizeof(TCHAR
);
113 wdir
= (TCHAR
*)malloc(amount
);
115 if (extdirbuf
!= NULL
) {
123 #ifdef LP_MULTIBYTE_AVAILABLE
124 if (!MultiByteToWideChar
125 (CP_ACP
, 0, extdir
, len_0
, (WCHAR
*)wdir
, len_0
))
127 for (index
= 0; index
< len_0
; index
++)
128 wdir
[index
] = (TCHAR
)extdir
[index
];
130 (*ctx
)->handle
= FindFirstFile(wdir
, &(*ctx
)->ctx
);
134 (*ctx
)->handle
= FindFirstFile((TCHAR
*)extdir
, &(*ctx
)->ctx
);
136 if (extdirbuf
!= NULL
) {
140 if ((*ctx
)->handle
== INVALID_HANDLE_VALUE
) {
147 if (FindNextFile((*ctx
)->handle
, &(*ctx
)->ctx
) == FALSE
) {
151 if (sizeof(TCHAR
) != sizeof(char)) {
152 TCHAR
*wdir
= (*ctx
)->ctx
.cFileName
;
153 size_t index
, len_0
= 0;
155 while (wdir
[len_0
] && len_0
< (sizeof((*ctx
)->entry_name
) - 1))
159 #ifdef LP_MULTIBYTE_AVAILABLE
160 if (!WideCharToMultiByte
161 (CP_ACP
, 0, (WCHAR
*)wdir
, len_0
, (*ctx
)->entry_name
,
162 sizeof((*ctx
)->entry_name
), NULL
, 0))
164 for (index
= 0; index
< len_0
; index
++)
165 (*ctx
)->entry_name
[index
] = (char)wdir
[index
];
167 strncpy((*ctx
)->entry_name
, (const char *)(*ctx
)->ctx
.cFileName
,
168 sizeof((*ctx
)->entry_name
) - 1);
170 (*ctx
)->entry_name
[sizeof((*ctx
)->entry_name
) - 1] = '\0';
172 return (*ctx
)->entry_name
;
175 int LP_find_file_end(LP_DIR_CTX
**ctx
)
177 if (ctx
!= NULL
&& *ctx
!= NULL
) {
178 FindClose((*ctx
)->handle
);